iOS 12.0 (build 16A366) is an official Apple over-the-air update for the iPhone 7 (GSM), released on 2018-09-12T19:12:52Z. The update package is 1.44 GB. This is a delta (partial) update that requires 11.2.1 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 7d7fad5dc6facf2b0ae977c829ed6e20e1c22b70.zip.